[utils] added test routine which I forgot in previous commit
[utils] added test routine which I forgot in previous commit


Former-commit-id: b47d328e0601ba851e2ac16c8bb80e1d73d6bbba
Former-commit-id: 2355f263ba2358dab36ab17d2a03f06f3d399f43
pygeo/pycmbs,pygeo/pycmbs